package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class JDBCDemo7 {
    public static void main(String[] args) {
        UserInfo userInfo=InputUtil.getInputObject(new UserInfo(),"欢迎登录","登录");
        try(
                Connection connection=DBUtil.getConnection();
                ) {
            String sql="SELECT id,username,password,nickname,age "+
                    "FROM userinfo "+
                    "WHERE username=? AND password=?";
            PreparedStatement ps=connection.prepareStatement(sql);
            ps.setString(1,userInfo.getUsername());
            ps.setString(2,userInfo.getPassword());
            ResultSet rs=ps.executeQuery();
            if (rs.next()){
                System.out.println("登陆成功");
            }else{
                System.out.println("登录失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
